Display screen or portion thereof with icon



The FIGURE is a front view of a display screen or portion thereof with icon showing the claimed design.

The outermost broken lines in the FIGURE show a display screen or portion thereof, and form no part of the claimed design. The other broken lines in the FIGURE show portions of the icon that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 